201101212101210 has 16 divisors (see below), whose sum is σ = 482642909042976. Its totient is φ = 53626989893648.

The previous prime is 201101212101203. The next prime is 201101212101239. The reversal of 201101212101210 is 12101212101102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201101212101210.

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, 3351686868324 + ... + 3351686868383.

It is an arithmetic number, because the mean of its divisors is an integer number (30165181815186).

Almost surely, 2^{201101212101210} is an apocalyptic number.

201101212101210 is an abundant number, since it is smaller than the sum of its proper divisors (281541696941766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201101212101210 is a wasteful number, since it uses less digits than its factorization.

201101212101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6703373736717.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201101212101210 its reverse (12101212101102), we get a palindrome (213202424202312).

The spelling of 201101212101210 in words is "two hundred one trillion, one hundred one billion, two hundred twelve million, one hundred one thousand, two hundred ten".