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1102020221111 = 19233177955159
BaseRepresentation
bin10000000010010101100…
…001100001100010110111
310220100111200110122002212
4100002111201201202313
5121023414134033421
62202132221524035
7142422042216005
oct20022541414267
93810450418085
101102020221111
1139540075a017
121596b441361b
137cbc64b2594
143b4a3907a75
151d9ed009e5b
hex100958618b7

1102020221111 has 16 divisors (see below), whose sum is σ = 1214275622400. Its totient is φ = 995476651488.

The previous prime is 1102020221087. The next prime is 1102020221131. The reversal of 1102020221111 is 1111220202011.

It is a cyclic number.

It is not a de Polignac number, because 1102020221111 - 210 = 1102020220087 is a prime.

It is a super-4 number, since 4×11020202211114 (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102020221131) 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, 3839051 + ... + 4116108.

It is an arithmetic number, because the mean of its divisors is an integer number (75892226400).

Almost surely, 21102020221111 is an apocalyptic number.

1102020221111 is a deficient number, since it is larger than the sum of its proper divisors (112255401289).

1102020221111 is a wasteful number, since it uses less digits than its factorization.

1102020221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7955518.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1102020221111 its reverse (1111220202011), we get a palindrome (2213240423122).

The spelling of 1102020221111 in words is "one trillion, one hundred two billion, twenty million, two hundred twenty-one thousand, one hundred eleven".

Divisors: 1 19 23 317 437 6023 7291 138529 7955159 151148021 182968657 2521785403 3476404483 47913922657 58001064269 1102020221111