1000212121102 has 16 divisors (see below), whose sum is σ = 1515829768992. Its totient is φ = 494935833600.

The previous prime is 1000212121087. The next prime is 1000212121141. The reversal of 1000212121102 is 2011212120001.

It is a congruent number.

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, 10074102 + ... + 10172902.

It is an arithmetic number, because the mean of its divisors is an integer number (94739360562).

Almost surely, 2^{1000212121102} is an apocalyptic number.

1000212121102 is a deficient number, since it is larger than the sum of its proper divisors (515617647890).

1000212121102 is an equidigital number, since it uses as much as digits as its factorization.

1000212121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151083.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1000212121102 its reverse (2011212120001), we get a palindrome (3011424241103).

The spelling of 1000212121102 in words is "one trillion, two hundred twelve million, one hundred twenty-one thousand, one hundred two".