1020120101210 has 16 divisors (see below), whose sum is σ = 2098532779776. Its totient is φ = 349755463248.

The previous prime is 1020120101197. The next prime is 1020120101233. The reversal of 1020120101210 is 121010210201.

It is a junction number, because it is equal to n+sod(n) for n = 1020120101191 and 1020120101200.

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, 7286572082 + ... + 7286572221.

It is an arithmetic number, because the mean of its divisors is an integer number (131158298736).

Almost surely, 2^{1020120101210} is an apocalyptic number.

1020120101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020120101210 is an abundant number, since it is smaller than the sum of its proper divisors (1078412678566).

1020120101210 is a wasteful number, since it uses less digits than its factorization.

1020120101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14573144317.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1020120101210 its reverse (121010210201), we get a palindrome (1141130311411).

The spelling of 1020120101210 in words is "one trillion, twenty billion, one hundred twenty million, one hundred one thousand, two hundred ten".