1011210220210 has 32 divisors (see below), whose sum is σ = 1928664207792. Its totient is φ = 380411105280.

The previous prime is 1011210220169. The next prime is 1011210220219. The reversal of 1011210220210 is 120220121101.

It can be written as a sum of positive squares in 8 ways, for example, as 472258958521 + 538951261689 = 687211^2 + 734133^2 .

It is a super-2 number, since 2×1011210220210² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011210220219) 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, 1953897 + ... + 2416636.

Almost surely, 2^{1011210220210} is an apocalyptic number.

1011210220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011210220210 is a deficient number, since it is larger than the sum of its proper divisors (917453987582).

1011210220210 is a wasteful number, since it uses less digits than its factorization.

1011210220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371918.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1011210220210 its reverse (120220121101), we get a palindrome (1131430341311).

The spelling of 1011210220210 in words is "one trillion, eleven billion, two hundred ten million, two hundred twenty thousand, two hundred ten".