Search a number
-
+
121120121010122 = 21312143383633879
BaseRepresentation
bin11011100010100001111001…
…110010011011011111001010
3120212211222012111002000121022
4123202201321302123133022
5111333413001434310442
61105333452045312442
734340432336524613
oct3342417162333712
9525758174060538
10121120121010122
1135657833795993
1211701a83565722
13527776999b4a0
1421ca36091cc0a
15e0092b7c73d2
hex6e2879c9b7ca

121120121010122 has 16 divisors (see below), whose sum is σ = 195671693226240. Its totient is φ = 55896990560112.

The previous prime is 121120121010079. The next prime is 121120121010127. The reversal of 121120121010122 is 221010121021121.

It is a self number, because there is not a number n which added to its sum of digits gives 121120121010122.

It is not an unprimeable number, because it can be changed into a prime (121120121010127) 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, 191501222 + ... + 192132657.

It is an arithmetic number, because the mean of its divisors is an integer number (12229480826640).

Almost surely, 2121120121010122 is an apocalyptic number.

121120121010122 is a deficient number, since it is larger than the sum of its proper divisors (74551572216118).

121120121010122 is a wasteful number, since it uses less digits than its factorization.

121120121010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383646037.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121120121010122 its reverse (221010121021121), we get a palindrome (342130242031243).

The spelling of 121120121010122 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred twenty-one million, ten thousand, one hundred twenty-two".

Divisors: 1 2 13 26 12143 24286 157859 315718 383633879 767267758 4987240427 9974480854 4658466192697 9316932385394 60560060505061 121120121010122