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10021010212111 = 157171673718069
BaseRepresentation
bin1001000111010011001011…
…0000010000010100001111
31022110222222102122121120111
42101310302300100110033
52303141012103241421
633151331042500451
72052664655244103
oct221646260202417
938428872577514
1010021010212111
113213983021388
12115a180064727
13578c91c075b2
1426903b65d903
15125a0970aee1
hex91d32c1050f

10021010212111 has 8 divisors (see below), whose sum is σ = 10085428470080. Its totient is φ = 9956599424928.

The previous prime is 10021010212093. The next prime is 10021010212121. The reversal of 10021010212111 is 11121201012001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10021010212111 - 229 = 10020473341199 is a prime.

It is a super-2 number, since 2×100210102121112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021010212091 and 10021010212100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021010212121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836185 + ... + 4554253.

It is an arithmetic number, because the mean of its divisors is an integer number (1260678558760).

Almost surely, 210021010212111 is an apocalyptic number.

10021010212111 is a deficient number, since it is larger than the sum of its proper divisors (64418257969).

10021010212111 is a wasteful number, since it uses less digits than its factorization.

10021010212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735393.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10021010212111 its reverse (11121201012001), we get a palindrome (21142211224112).

The spelling of 10021010212111 in words is "ten trillion, twenty-one billion, ten million, two hundred twelve thousand, one hundred eleven".

Divisors: 1 157 17167 2695219 3718069 583736833 63828090523 10021010212111