1201000021102 has 32 divisors (see below), whose sum is σ = 2068255284480. Its totient is φ = 512369141760.

The previous prime is 1201000021069. The next prime is 1201000021231. The reversal of 1201000021102 is 2011200001021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3123477 + ... + 3486847.

It is an arithmetic number, because the mean of its divisors is an integer number (64632977640).

Almost surely, 2^{1201000021102} is an apocalyptic number.

1201000021102 is a deficient number, since it is larger than the sum of its proper divisors (867255263378).

1201000021102 is a wasteful number, since it uses less digits than its factorization.

1201000021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364456.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1201000021102 its reverse (2011200001021), we get a palindrome (3212200022123).

The spelling of 1201000021102 in words is "one trillion, two hundred one billion, twenty-one thousand, one hundred two".