101211101011210 has 16 divisors (see below), whose sum is σ = 192896451339336. Its totient is φ = 38103002733568.

The previous prime is 101211101011201. The next prime is 101211101011211. The reversal of 101211101011210 is 12110101112101.

It can be written as a sum of positive squares in 4 ways, for example, as 97346302814929 + 3864798196281 = 9866423^2 + 1965909^2 .

It is not an unprimeable number, because it can be changed into a prime (101211101011211) 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, 297679708687 + ... + 297679709026.

Almost surely, 2^{101211101011210} is an apocalyptic number.

101211101011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101211101011210 is a deficient number, since it is larger than the sum of its proper divisors (91685350328126).

101211101011210 is a wasteful number, since it uses less digits than its factorization.

101211101011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595359417737.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 101211101011210 its reverse (12110101112101), we get a palindrome (113321202123311).

The spelling of 101211101011210 in words is "one hundred one trillion, two hundred eleven billion, one hundred one million, eleven thousand, two hundred ten".