101021001020002 has 64 divisors (see below), whose sum is σ = 185899130486784. Its totient is φ = 40188832369920.

The previous prime is 101021001019963. The next prime is 101021001020003. The reversal of 101021001020002 is 200020100120101.

It is not an unprimeable number, because it can be changed into a prime (101021001020003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4857058 + ... + 15021085.

It is an arithmetic number, because the mean of its divisors is an integer number (2904673913856).

Almost surely, 2^{101021001020002} is an apocalyptic number.

101021001020002 is a deficient number, since it is larger than the sum of its proper divisors (84878129466782).

101021001020002 is a wasteful number, since it uses less digits than its factorization.

101021001020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19878463.

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

Adding to 101021001020002 its reverse (200020100120101), we get a palindrome (301041101140103).

The spelling of 101021001020002 in words is "one hundred one trillion, twenty-one billion, one million, twenty thousand, two".