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2102101102212 = 2238915831243373
BaseRepresentation
bin11110100101101110111…
…111010100111010000100
321102221220001002020121020
4132211232333110322010
5233420100340232322
64245405241551140
7304605011361006
oct36455677247204
97387801066536
102102101102212
117405502a80a1
1229b4994a54b0
131232c5459557
1473a569a6376
1539a318eb05c
hex1e96efd4e84

2102101102212 has 48 divisors (see below), whose sum is σ = 4963151128320. Its totient is φ = 692389105408.

The previous prime is 2102101102207. The next prime is 2102101102229. The reversal of 2102101102212 is 2122011012012.

It is a junction number, because it is equal to n+sod(n) for n = 2102101102191 and 2102101102200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1068958 + ... + 2312330.

It is an arithmetic number, because the mean of its divisors is an integer number (103398981840).

Almost surely, 22102101102212 is an apocalyptic number.

It is an amenable number.

2102101102212 is an abundant number, since it is smaller than the sum of its proper divisors (2861050026108).

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

2102101102212 is a wasteful number, since it uses less digits than its factorization.

2102101102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245052 (or 1245050 counting only the distinct ones).

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

Adding to 2102101102212 its reverse (2122011012012), we get a palindrome (4224112114224).

The spelling of 2102101102212 in words is "two trillion, one hundred two billion, one hundred one million, one hundred two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 1583 3166 4749 6332 9498 18996 140887 281774 422661 563548 845322 1243373 1690644 2486746 3730119 4973492 7460238 14920476 110660197 221320394 331980591 442640788 663961182 1327922364 1968259459 3936518918 5904778377 7873037836 11809556754 23619113508 175175091851 350350183702 525525275553 700700367404 1051050551106 2102101102212