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102121112102122 = 2131597076528133
BaseRepresentation
bin10111001110000011101100…
…100111000110010011101010
3111101120200102212221122001201
4113032003230213012103222
5101341123014144231442
61001105442524234414
730340002233422051
oct2716035447062352
9441520385848051
10102121112102122
112a5a2358542943
12b55390999ba0a
1344c9c970c1969
141b3098c5b7398
15bc16101c97b7
hex5ce0ec9c64ea

102121112102122 has 16 divisors (see below), whose sum is σ = 154353602649312. Its totient is φ = 50669924394960.

The previous prime is 102121112102101. The next prime is 102121112102129. The reversal of 102121112102122 is 221201211121201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102121112102122.

It is not an unprimeable number, because it can be changed into a prime (102121112102129) 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, 12379168 + ... + 18907300.

It is an arithmetic number, because the mean of its divisors is an integer number (9647100165582).

Almost surely, 2102121112102122 is an apocalyptic number.

102121112102122 is a deficient number, since it is larger than the sum of its proper divisors (52232490547190).

102121112102122 is a wasteful number, since it uses less digits than its factorization.

102121112102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6587973.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102121112102122 its reverse (221201211121201), we get a palindrome (323322323223323).

The spelling of 102121112102122 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twelve million, one hundred two thousand, one hundred twenty-two".

Divisors: 1 2 131 262 59707 119414 6528133 7821617 13056266 15643234 855185423 1710370846 389775237031 779550474062 51060556051061 102121112102122