1010021102010 has 48 divisors (see below), whose sum is σ = 2627117334504. Its totient is φ = 269229989376.

The previous prime is 1010021101993. The next prime is 1010021102081. The reversal of 1010021102010 is 102011200101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 915108431769 + 94912670241 = 956613^2 + 308079^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1010021101983 and 1010021102001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2046427 + ... + 2491566.

Almost surely, 2^{1010021102010} is an apocalyptic number.

1010021102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1010021102010 is an abundant number, since it is smaller than the sum of its proper divisors (1617096232494).

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

1010021102010 is a wasteful number, since it uses less digits than its factorization.

1010021102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540479 (or 4540476 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1010021102010 its reverse (102011200101), we get a palindrome (1112032302111).

The spelling of 1010021102010 in words is "one trillion, ten billion, twenty-one million, one hundred two thousand, ten".