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102022111200221 = 237879156297597
BaseRepresentation
bin10111001100100111011111…
…101100101000001111011101
3111101020012220100021201202022
4113030213133230220033131
5101333012240431401341
61000552151051305525
730326566010560022
oct2714473754501735
9441205810251668
10102022111200221
112a564375074a53
12b53869a74b2a5
1344c084a594a34
141b29c7a10b549
15bbdc68a43e4b
hex5cc9dfb283dd

102022111200221 has 8 divisors (see below), whose sum is σ = 106459208198784. Its totient is φ = 97585126954480.

The previous prime is 102022111200187. The next prime is 102022111200277. The reversal of 102022111200221 is 122002111220201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102022111200221 is a prime.

It is a super-2 number, since 2×1020221112002212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102022111200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022111250221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26336606 + ... + 29960991.

It is an arithmetic number, because the mean of its divisors is an integer number (13307401024848).

Almost surely, 2102022111200221 is an apocalyptic number.

It is an amenable number.

102022111200221 is a deficient number, since it is larger than the sum of its proper divisors (4437096998563).

102022111200221 is an equidigital number, since it uses as much as digits as its factorization.

102022111200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56376411.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102022111200221 its reverse (122002111220201), we get a palindrome (224024222420422).

The spelling of 102022111200221 in words is "one hundred two trillion, twenty-two billion, one hundred eleven million, two hundred thousand, two hundred twenty-one".

Divisors: 1 23 78791 1812193 56297597 1294844731 4435743965227 102022111200221