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102220001221211 = 19314511487245471
BaseRepresentation
bin10111001111011111110010…
…110111001001101001011011
3111101221010200122021101011222
4113033133302313021221123
5101344233030303034321
61001223115325242255
730350102631155516
oct2717376267115133
9441833618241158
10102220001221211
112a630293901745
12b56ab0770338b
1345063c6710c03
141b3568dca5d7d
15bc3e9bb2e3ab
hex5cf7f2dc9a5b

102220001221211 has 16 divisors (see below), whose sum is σ = 102890016903168. Its totient is φ = 101551528128000.

The previous prime is 102220001221181. The next prime is 102220001221229. The reversal of 102220001221211 is 112122100022201.

It is a cyclic number.

It is not a de Polignac number, because 102220001221211 - 26 = 102220001221147 is a prime.

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 102220001221211.

It is not an unprimeable number, because it can be changed into a prime (102220001221231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416301206 + ... + 416546676.

It is an arithmetic number, because the mean of its divisors is an integer number (6430626056448).

Almost surely, 2102220001221211 is an apocalyptic number.

102220001221211 is a deficient number, since it is larger than the sum of its proper divisors (670015681957).

102220001221211 is a wasteful number, since it uses less digits than its factorization.

102220001221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248602.

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

Adding to 102220001221211 its reverse (112122100022201), we get a palindrome (214342101243412).

The spelling of 102220001221211 in words is "one hundred two trillion, two hundred twenty billion, one million, two hundred twenty-one thousand, two hundred eleven".

Divisors: 1 193 1451 1487 245471 280043 286991 2157637 47375903 356178421 365015377 416423941 68742435253 70447967761 529637312027 102220001221211