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102121101020201 = 1018387120555623
BaseRepresentation
bin10111001110000011101011…
…111100110100110000101001
3111101120200102010002121112012
4113032003223330310300221
5101341123003330121301
61001105441450525305
730340002040265204
oct2716035374646051
9441520363077465
10102121101020201
112a5a235226392a
12b553906136835
1344c9c94a11803
141b3098ad3093b
15bc160e23aebb
hex5ce0ebf34c29

102121101020201 has 8 divisors (see below), whose sum is σ = 103144498559424. Its totient is φ = 101097944609200.

The previous prime is 102121101020083. The next prime is 102121101020209. The reversal of 102121101020201 is 102020101121201.

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-102121101020201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102121101020209) 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, 59430725 + ... + 61124898.

It is an arithmetic number, because the mean of its divisors is an integer number (12893062319928).

Almost surely, 2102121101020201 is an apocalyptic number.

It is an amenable number.

102121101020201 is a deficient number, since it is larger than the sum of its proper divisors (1023397539223).

102121101020201 is a wasteful number, since it uses less digits than its factorization.

102121101020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120564111.

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

Adding to 102121101020201 its reverse (102020101121201), we get a palindrome (204141202141402).

The spelling of 102121101020201 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred one million, twenty thousand, two hundred one".

Divisors: 1 101 8387 847087 120555623 12176117923 1011100010101 102121101020201