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1021012210122 = 23170168701687
BaseRepresentation
bin11101101101110010001…
…00011111000111001010
310121121102002121021222120
432312321010133013022
5113212013111210442
62101014015032110
7133523430406602
oct16667104370712
93547362537876
101021012210122
11364010858403
12145a66b0b636
1375386597178
14375bad37c02
151b85b2c64ec
hexedb911f1ca

1021012210122 has 8 divisors (see below), whose sum is σ = 2042024420256. Its totient is φ = 340337403372.

The previous prime is 1021012210103. The next prime is 1021012210177. The reversal of 1021012210122 is 2210122101201.

It is a sphenic number, since it is the product of 3 distinct primes.

1021012210122 is an admirable number.

It is a super-2 number, since 2×10210122101222 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85084350838 + ... + 85084350849.

It is an arithmetic number, because the mean of its divisors is an integer number (255253052532).

Almost surely, 21021012210122 is an apocalyptic number.

1021012210122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1021012210122 is a wasteful number, since it uses less digits than its factorization.

1021012210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170168701692.

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

Adding to 1021012210122 its reverse (2210122101201), we get a palindrome (3231134311323).

The spelling of 1021012210122 in words is "one trillion, twenty-one billion, twelve million, two hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 3 6 170168701687 340337403374 510506105061 1021012210122