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10021112011111 = 229117329372971
BaseRepresentation
bin1001000111010011100011…
…0100100101100101100111
31022111000020112012112112211
42101310320310211211213
52303141214133323421
633151345120424251
72053000332441145
oct221647064454547
938430215175484
1010021112011111
113213a25531493
12115a1aa178087
13578caa02aba6
1426904ad9c595
15125a136189e1
hex91d38d25967

10021112011111 has 8 divisors (see below), whose sum is σ = 10064985094800. Its totient is φ = 9977239908480.

The previous prime is 10021112011109. The next prime is 10021112011199. The reversal of 10021112011111 is 11111021112001.

10021112011111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10021112011111 - 21 = 10021112011109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021112011091 and 10021112011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021112015111) 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, 26681856 + ... + 27054826.

It is an arithmetic number, because the mean of its divisors is an integer number (1258123136850).

Almost surely, 210021112011111 is an apocalyptic number.

10021112011111 is a deficient number, since it is larger than the sum of its proper divisors (43873083689).

10021112011111 is a wasteful number, since it uses less digits than its factorization.

10021112011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490529.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 10021112011111 its reverse (11111021112001), we get a palindrome (21132133123112).

The spelling of 10021112011111 in words is "ten trillion, twenty-one billion, one hundred twelve million, eleven thousand, one hundred eleven".

Divisors: 1 229 117329 372971 26868341 85410359 43760314459 10021112011111