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120121120102 = 2317127287851
BaseRepresentation
bin110111111011111000…
…1101101010101100110
3102111001110002011001011
41233313301231111212
53432002001320402
6131103300252434
711451466450144
oct1576761552546
9374043064034
10120121120102
1146a41271485
121b3443a111a
13b434314079
145b57474594
1531d092ced7
hex1bf7c6d566

120121120102 has 16 divisors (see below), whose sum is σ = 188613633024. Its totient is φ = 57304485000.

The previous prime is 120121120079. The next prime is 120121120109. The reversal of 120121120102 is 201021121021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121120109) 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, 13639524 + ... + 13648327.

It is an arithmetic number, because the mean of its divisors is an integer number (11788352064).

Almost surely, 2120121120102 is an apocalyptic number.

120121120102 is a deficient number, since it is larger than the sum of its proper divisors (68492512922).

120121120102 is a wasteful number, since it uses less digits than its factorization.

120121120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27287955.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120121120102 its reverse (201021121021), we get a palindrome (321142241123).

The spelling of 120121120102 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred twenty thousand, one hundred two".

Divisors: 1 2 31 62 71 142 2201 4402 27287851 54575702 845923381 1691846762 1937437421 3874874842 60060560051 120121120102