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1220101102210 = 251151106003571
BaseRepresentation
bin10001110000010011101…
…100010101101010000010
311022122021221110220101111
4101300103230111222002
5124442231340232320
62332301240553534
7154102146152404
oct21602354255202
94278257426344
101220101102210
1143049529a761
121785694828aa
138b093c00a23
14430a600ab74
1521b0e777a5a
hex11c13b15a82

1220101102210 has 16 divisors (see below), whose sum is σ = 2198090068992. Its totient is φ = 487616422000.

The previous prime is 1220101102183. The next prime is 1220101102243. The reversal of 1220101102210 is 122011010221.

It is a super-2 number, since 2×12201011022102 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52990276 + ... + 53013295.

It is an arithmetic number, because the mean of its divisors is an integer number (137380629312).

Almost surely, 21220101102210 is an apocalyptic number.

1220101102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220101102210 is a deficient number, since it is larger than the sum of its proper divisors (977988966782).

1220101102210 is a wasteful number, since it uses less digits than its factorization.

1220101102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106004729.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1220101102210 its reverse (122011010221), we get a palindrome (1342112112431).

The spelling of 1220101102210 in words is "one trillion, two hundred twenty billion, one hundred one million, one hundred two thousand, two hundred ten".

Divisors: 1 2 5 10 1151 2302 5755 11510 106003571 212007142 530017855 1060035710 122010110221 244020220442 610050551105 1220101102210