Search a number
-
+
221202010101102 = 23140297262778261
BaseRepresentation
bin110010010010111010011011…
…001111000101010101101110
31002000012201001102011101112120
4302102322123033011111232
5212443133204041213402
62102242444531413410
764410214006534512
oct6222723317052556
91060181042141476
10221202010101102
1164533277a83158
1220986521754266
13965734c430544
143c8a33d334142
151a88e8a31b3bc
hexc92e9b3c556e

221202010101102 has 16 divisors (see below), whose sum is σ = 442407175224912. Its totient is φ = 73733477529920.

The previous prime is 221202010101073. The next prime is 221202010101143. The reversal of 221202010101102 is 201101010202122.

It is a super-2 number, since 2×2212020101011022 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130547349 + ... + 132230912.

It is an arithmetic number, because the mean of its divisors is an integer number (27650448451557).

Almost surely, 2221202010101102 is an apocalyptic number.

221202010101102 is an abundant number, since it is smaller than the sum of its proper divisors (221205165123810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221202010101102 is a wasteful number, since it uses less digits than its factorization.

221202010101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262918563.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221202010101102 its reverse (201101010202122), we get a palindrome (422303020303224).

The spelling of 221202010101102 in words is "two hundred twenty-one trillion, two hundred two billion, ten million, one hundred one thousand, one hundred two".

Divisors: 1 2 3 6 140297 280594 420891 841782 262778261 525556522 788334783 1576669566 36867001683517 73734003367034 110601005050551 221202010101102