1201122100210 has 16 divisors (see below), whose sum is σ = 2163153542976. Its totient is φ = 480196892848.

The previous prime is 1201122100093. The next prime is 1201122100237. The reversal of 1201122100210 is 120012211021.

It is a super-2 number, since 2×1201122100210² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31473382 + ... + 31511521.

It is an arithmetic number, because the mean of its divisors is an integer number (135197096436).

Almost surely, 2^{1201122100210} is an apocalyptic number.

1201122100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201122100210 is a deficient number, since it is larger than the sum of its proper divisors (962031442766).

1201122100210 is a wasteful number, since it uses less digits than its factorization.

1201122100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62986817.

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

Adding to 1201122100210 its reverse (120012211021), we get a palindrome (1321134311231).

The spelling of 1201122100210 in words is "one trillion, two hundred one billion, one hundred twenty-two million, one hundred thousand, two hundred ten".