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10211211022011 = 317931921485119
BaseRepresentation
bin1001010010010111101110…
…0110110000111010111011
31100011011220212000212100020
42110211323212300322323
52314300030010201021
633414544322141523
72102510220405546
oct224457346607273
940134825025306
1010211211022011
113287606463a6a
12118b001ab18a3
13590bb401811c
1427432213185d
1512a93c73b7c6
hex9497b9b0ebb

10211211022011 has 16 divisors (see below), whose sum is σ = 14417374924800. Its totient is φ = 6406346544768.

The previous prime is 10211211021989. The next prime is 10211211022021. The reversal of 10211211022011 is 11022011211201.

It is a happy number.

It is not a de Polignac number, because 10211211022011 - 231 = 10209063538363 is a prime.

It is a super-2 number, since 2×102112110220112 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10211211022021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10267291 + ... + 11217828.

It is an arithmetic number, because the mean of its divisors is an integer number (901085932800).

Almost surely, 210211211022011 is an apocalyptic number.

10211211022011 is a deficient number, since it is larger than the sum of its proper divisors (4206163902789).

10211211022011 is a wasteful number, since it uses less digits than its factorization.

10211211022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21494458.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10211211022011 its reverse (11022011211201), we get a palindrome (21233222233212).

The spelling of 10211211022011 in words is "ten trillion, two hundred eleven billion, two hundred eleven million, twenty-two thousand, eleven".

Divisors: 1 3 17 51 9319 27957 158423 475269 21485119 64455357 365247023 1095741069 200219823961 600659471883 3403737007337 10211211022011