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22101101010212 = 2274034319565353
BaseRepresentation
bin1010000011001110100000…
…10001100101110100100100
32220020211210201200210221112
411001213100101211310210
510344101023324311322
6115001034452404152
74440515612646530
oct501472021456444
986224721623845
1022101101010212
11705102a389214
12258b412016658
13c441814a0273
145659b0090bc0
15284d78a835e2
hex1419d0465d24

22101101010212 has 24 divisors (see below), whose sum is σ = 44203299939456. Its totient is φ = 9471665164608.

The previous prime is 22101101010139. The next prime is 22101101010259. The reversal of 22101101010212 is 21201010110122.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 8653073 + ... + 10912280.

It is an arithmetic number, because the mean of its divisors is an integer number (1841804164144).

Almost surely, 222101101010212 is an apocalyptic number.

It is an amenable number.

22101101010212 is an abundant number, since it is smaller than the sum of its proper divisors (22102198929244).

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

22101101010212 is a wasteful number, since it uses less digits than its factorization.

22101101010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19605707 (or 19605705 counting only the distinct ones).

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

Adding to 22101101010212 its reverse (21201010110122), we get a palindrome (43302111120334).

The spelling of 22101101010212 in words is "twenty-two trillion, one hundred one billion, one hundred one million, ten thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 40343 80686 161372 282401 564802 1129604 19565353 39130706 78261412 136957471 273914942 547829884 789325036079 1578650072158 3157300144316 5525275252553 11050550505106 22101101010212