1020102211000 has 64 divisors (see below), whose sum is σ = 2388148832160. Its totient is φ = 407851200000.

The previous prime is 1020102210977. The next prime is 1020102211003. The reversal of 1020102211000 is 1122010201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020102211003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1924975 + ... + 2397025.

Almost surely, 2^{1020102211000} is an apocalyptic number.

1020102211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020102211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1194074416080).

1020102211000 is an abundant number, since it is smaller than the sum of its proper divisors (1368046621160).

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

1020102211000 is a wasteful number, since it uses less digits than its factorization.

1020102211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474233 (or 474219 counting only the distinct ones).

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

Adding to 1020102211000 its reverse (1122010201), we get a palindrome (1021224221201).

The spelling of 1020102211000 in words is "one trillion, twenty billion, one hundred two million, two hundred eleven thousand".