2001011021102 has 32 divisors (see below), whose sum is σ = 3116013261120. Its totient is φ = 962586661120.

The previous prime is 2001011021083. The next prime is 2001011021111. The reversal of 2001011021102 is 2011201101002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51038327 + ... + 51077517.

It is an arithmetic number, because the mean of its divisors is an integer number (97375414410).

Almost surely, 2^{2001011021102} is an apocalyptic number.

2001011021102 is a deficient number, since it is larger than the sum of its proper divisors (1115002240018).

2001011021102 is a wasteful number, since it uses less digits than its factorization.

2001011021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42316.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2001011021102 its reverse (2011201101002), we get a palindrome (4012212122104).

The spelling of 2001011021102 in words is "two trillion, one billion, eleven million, twenty-one thousand, one hundred two".