10121201021210 has 64 divisors (see below), whose sum is σ = 19426133422080. Its totient is φ = 3785884945920.

The previous prime is 10121201021207. The next prime is 10121201021249. The reversal of 10121201021210 is 1212010212101.

It is a super-2 number, since 2×10121201021210² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3689030 + ... + 5818190.

It is an arithmetic number, because the mean of its divisors is an integer number (303533334720).

Almost surely, 2^{10121201021210} is an apocalyptic number.

10121201021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121201021210 is a deficient number, since it is larger than the sum of its proper divisors (9304932400870).

10121201021210 is a wasteful number, since it uses less digits than its factorization.

10121201021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129511.

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

Adding to 10121201021210 its reverse (1212010212101), we get a palindrome (11333211233311).

The spelling of 10121201021210 in words is "ten trillion, one hundred twenty-one billion, two hundred one million, twenty-one thousand, two hundred ten".