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1202002102101 = 31181886138287
BaseRepresentation
bin10001011111011100111…
…010001000011101010101
311020220120121000102202010
4101133130322020131111
5124143200014231401
62320105300334433
7152561506201263
oct21373472103525
94226517012663
101202002102101
1142384793a029
12174b580a4419
138946b319ac8
144226a3ad433
1521400865ed6
hex117dce88755

1202002102101 has 16 divisors (see below), whose sum is σ = 1604249434368. Its totient is φ = 800544945600.

The previous prime is 1202002102099. The next prime is 1202002102109. The reversal of 1202002102101 is 1012012002021.

It is not a de Polignac number, because 1202002102101 - 21 = 1202002102099 is a prime.

It is a super-2 number, since 2×12020021021012 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202002102109) 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, 31375380 + ... + 31413666.

It is an arithmetic number, because the mean of its divisors is an integer number (100265589648).

Almost surely, 21202002102101 is an apocalyptic number.

It is an amenable number.

1202002102101 is a deficient number, since it is larger than the sum of its proper divisors (402247332267).

1202002102101 is a wasteful number, since it uses less digits than its factorization.

1202002102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48332.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1202002102101 its reverse (1012012002021), we get a palindrome (2214014104122).

The spelling of 1202002102101 in words is "one trillion, two hundred two billion, two million, one hundred two thousand, one hundred one".

Divisors: 1 3 1181 3543 8861 26583 38287 114861 10464841 31394523 45216947 135650841 339261107 1017783321 400667367367 1202002102101