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1120101221021 = 1631968637859
BaseRepresentation
bin10000010011001011001…
…111000100001010011101
310222002011210001121010012
4100103023033010022131
5121322431403033041
62214322320253005
7143632103200316
oct20231317041235
93862153047105
101120101221021
113a2039a35952
121610bb771165
13818184333b3
143c2dadbb60d
151e20a5633eb
hex104cb3c429d

1120101221021 has 4 divisors (see below), whose sum is σ = 1120169875200. Its totient is φ = 1120032566844.

The previous prime is 1120101221011. The next prime is 1120101221053. The reversal of 1120101221021 is 1201221010211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1120101221021 - 226 = 1120034112157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120101220987 and 1120101221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120101221011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34302611 + ... + 34335248.

It is an arithmetic number, because the mean of its divisors is an integer number (280042468800).

Almost surely, 21120101221021 is an apocalyptic number.

It is an amenable number.

1120101221021 is a deficient number, since it is larger than the sum of its proper divisors (68654179).

1120101221021 is an equidigital number, since it uses as much as digits as its factorization.

1120101221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68654178.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1120101221021 its reverse (1201221010211), we get a palindrome (2321322231232).

The spelling of 1120101221021 in words is "one trillion, one hundred twenty billion, one hundred one million, two hundred twenty-one thousand, twenty-one".

Divisors: 1 16319 68637859 1120101221021