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1222110210101 = 11210100084381
BaseRepresentation
bin10001110010001011011…
…100011110100000110101
311022211110221222011021212
4101302023130132200311
5130010340203210401
62333232451051205
7154203013246664
oct21621334364065
94284427864255
101222110210101
11431326398200
12178a2a2a0b05
138b324216871
1443216b96ddb
1521bcad38dbb
hex11c8b71e835

1222110210101 has 6 divisors (see below), whose sum is σ = 1343311222806. Its totient is φ = 1111009281800.

The previous prime is 1222110210073. The next prime is 1222110210119. The reversal of 1222110210101 is 1010120112221.

It can be written as a sum of positive squares in only one way, i.e., 729741354001 + 492368856100 = 854249^2 + 701690^2 .

It is not a de Polignac number, because 1222110210101 - 26 = 1222110210037 is a prime.

It is a super-2 number, since 2×12221102101012 (a number of 25 digits) contains 22 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 (1222110210161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5050042070 + ... + 5050042311.

It is an arithmetic number, because the mean of its divisors is an integer number (223885203801).

Almost surely, 21222110210101 is an apocalyptic number.

1222110210101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222110210101 is a deficient number, since it is larger than the sum of its proper divisors (121201012705).

1222110210101 is a wasteful number, since it uses less digits than its factorization.

1222110210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100084403 (or 10100084392 counting only the distinct ones).

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

Adding to 1222110210101 its reverse (1010120112221), we get a palindrome (2232230322322).

The spelling of 1222110210101 in words is "one trillion, two hundred twenty-two billion, one hundred ten million, two hundred ten thousand, one hundred one".

Divisors: 1 11 121 10100084381 111100928191 1222110210101