101201211220210 has 16 divisors (see below), whose sum is σ = 182228445135000. Its totient is φ = 40465758946176.

The previous prime is 101201211220177. The next prime is 101201211220211. The reversal of 101201211220210 is 12022112102101.

It can be written as a sum of positive squares in 4 ways, for example, as 38084240165049 + 63116971055161 = 6171243^2 + 7944619^2 .

It is a super-2 number, since 2×101201211220210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101201211220211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840663875 + ... + 1840718854.

Almost surely, 2^{101201211220210} is an apocalyptic number.

101201211220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101201211220210 is a deficient number, since it is larger than the sum of its proper divisors (81027233914790).

101201211220210 is a wasteful number, since it uses less digits than its factorization.

101201211220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681385485.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101201211220210 its reverse (12022112102101), we get a palindrome (113223323322311).

The spelling of 101201211220210 in words is "one hundred one trillion, two hundred one billion, two hundred eleven million, two hundred twenty thousand, two hundred ten".