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2101202211212 = 221341617970943
BaseRepresentation
bin11110100100111001011…
…010010101000110001100
321102212120101122211221222
4132210321122111012030
5233411230231224322
64245140131342512
7304543515051356
oct36447132250614
97385511584858
102101202211212
11740129962a75
1229b288451a38
131231b11608a0
14739ad4580d6
15399cca3ce42
hex1e93969518c

2101202211212 has 24 divisors (see below), whose sum is σ = 3960057244416. Its totient is φ = 969761334528.

The previous prime is 2101202211209. The next prime is 2101202211359. The reversal of 2101202211212 is 2121122021012.

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, 1678613 + ... + 2649555.

It is an arithmetic number, because the mean of its divisors is an integer number (165002385184).

Almost surely, 22101202211212 is an apocalyptic number.

It is an amenable number.

2101202211212 is a deficient number, since it is larger than the sum of its proper divisors (1858855033204).

2101202211212 is a wasteful number, since it uses less digits than its factorization.

2101202211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012577 (or 1012575 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2101202211212 its reverse (2121122021012), we get a palindrome (4222324232224).

The spelling of 2101202211212 in words is "two trillion, one hundred one billion, two hundred two million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 41617 83234 166468 541021 970943 1082042 1941886 2164084 3883772 12622259 25244518 50489036 40407734831 80815469662 161630939324 525300552803 1050601105606 2101202211212