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10221212011010 = 257211131051138793
BaseRepresentation
bin1001010010111100111110…
…1101100000101000000010
31100012010201211122202010012
42110233033231200220002
52314431020233323020
633423320542104522
72103313106410100
oct224571755405002
940163654582105
1010221212011010
113290878794030
121190b3327b142
13591b18c907b0
142749d0470c70
1512ad257427c5
hex94bcfb60a02

10221212011010 has 192 divisors, whose sum is σ = 25167673689984. Its totient is φ = 2937949056000.

The previous prime is 10221212010923. The next prime is 10221212011039. The reversal of 10221212011010 is 1011021212201.

It is a super-2 number, since 2×102212120110102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 73574174 + ... + 73712966.

It is an arithmetic number, because the mean of its divisors is an integer number (131081633802).

Almost surely, 210221212011010 is an apocalyptic number.

10221212011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221212011010 is an abundant number, since it is smaller than the sum of its proper divisors (14946461678974).

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

10221212011010 is a wasteful number, since it uses less digits than its factorization.

10221212011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139889 (or 139882 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10221212011010 its reverse (1011021212201), we get a palindrome (11232233223211).

The spelling of 10221212011010 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, eleven thousand, ten".